● Carry out a function test (Page 61).
● Only put your plant/system into live operation once you have ensured that the functions
relevant to safety are operating correctly.
Electric shock due to induced voltage
Rotating machinery can induce dangerous high voltages and synchronous motors that are not
de-excited immediately can also pose a hazard. If the connection to the motor is not isolated or
grounded, these voltages can also remain. Touching live parts can result in death or serious
injury.
● Before opening the doors, wait until the connected machine has come to a standstill.
Electric shock at DC link capacitors
High voltages are still present at the DC link capacitors even after shutdown. Touching live
parts can result in death or serious injury.
● A label specifies the discharge times of the DC link capacitors. Only open the doors once
these discharge times have elapsed.
● Observe the five safety rules when performing any work.
Electric shock caused by high auxiliary voltages
High auxiliary voltages are still present even after shutdown. Touching live parts can result in
death or serious injury.
● Observe the five safety rules when performing any work.
Danger due to hazardous arcing
Hazards caused by arcing can occur as result of the following factors, for example:
● The input currents are exceeded.
● Incorrectly dimensioned circuit breaker or transformers.
● Incorrectly connected cables or cables that have not been connected.
● Contamination and dirt.
● Tools that have been forgotten, e.g. when mounting and installing the equipment.
Arcing can result in death, serious injury or material damage.
● Make sure that the system is properly dimensioned and that the power cables are correctly
connected. The maximum permissible input currents are listed in the "Technical
specifications".
● Remove contamination and dirt.
● After installation and mounting, carefully check that no objects have been left in the device.
Safety instructions
2.4 Safe handling
SINAMICS SM150 6SL3815-7NP41-0AA1
Operating Instructions Rev.201910281301 EXAMPLE
17
Содержание SINAMICS SM150 6SL3815-7NP41-0AA1
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